<template>
    <div class="my-exam-page">
      <div class="exam-list-block">
        <div class="exam-list-header">
          <span class="ex-title">我的竞赛</span>
          <span class="exam-list-back" @click="goBack">返回</span>
        </div>
        <div class="exam-list-content" v-for="(exam, index) in myExamList" :key="index">
          <img src="@/assets/ide/jingsai.png" class="image" />
          <div class="exam-content">
            <div class="title">
              {{ exam.title }}
            </div>
            <div class="date"><span>比赛时间:</span> {{ exam.startTime }} ~ {{ exam.endTime }}</div>
          </div>
          <div>
            <div class="exam-end-lable-list" v-if="isHistoryExam(exam)">
              <span class="exam-end-lable">已完赛</span>
              <el-button class="exam-rank-lable" type="text" @click="togglePopover(exam.examId)">查看排名</el-button>
              <el-button class="exam-rank-lable" type="text" @click="goHistoryExam(exam)">竞赛练习</el-button>
            </div>
            <div class="exam-status-lable exam-end-lable-list" v-else-if="isNotStart(exam)">未开赛</div>
            <div class="exam-end-lable-list" v-else>
              <el-button class="exam-rank-lable" type="text" plain @click="goExam(exam)">开始答题</el-button>
            </div>
          </div>
        </div>
        <div class="my-exam-pagination">
          <!-- 增加分页展示器 -->
          <el-pagination background layout="total, sizes, prev, pager, next, jumper" :total="total"
            v-model:current-page="params.pageNum" v-model:page-size="params.pageSize" :page-sizes="[5, 10, 15, 20]"
            @size-change="handleSizeChange" @current-change="handleCurrentChange" />
        </div>
      </div>
    </div>
  </template>
  
  <script setup>
  import { reactive, ref } from 'vue'
  import {
    getMyExamListService,
  } from "@/apis/exam"
  import router from '@/router'
  
  const myExamList = ref([]) //消息列表
  
  const total = ref(0)
  const params = reactive({
    pageNum: 1,
    pageSize: 10,
  })
  
  // 分页
  function handleSizeChange(newSize) {
    params.pageNum = 1
    getMyExamList()
  }
  
  function handleCurrentChange(newPage) {
    getMyExamList()
  }
  
  //消息列表
  async function getMyExamList() {
    const ref = await getMyExamListService(params.value)
    myExamList.value = ref.rows
    total.value = ref.total
  }
  getMyExamList()
  
  function isHistoryExam(exam) {
    const now = new Date();
    return new Date(exam.endTime) < now;
  }
  
  const isNotStart = (exam) => {
    const now = new Date(); //当前时间
    return new Date(exam.startTime) > now;
  }
  
  const goBack = () => {
    router.go(-1)
  }
  
  </script>
  
  <style lang="scss">
  .my-exam-page {
    max-width: 1520px;
    margin: 0 auto;
    background-color: rgba(247, 247, 247, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
  }
  
  .exam-list-block {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
  }
  
  .exam-list-header {
    background-color: rgba(255, 255, 255, 1);
    border-radius: 10px;
    width: 100%;
    /* 设置宽度为100%以确保水平居中 */
    height: 60px;
    font-size: 25px;
    text-indent: 20px;
    display: flex;
    align-items: center;
    margin-top: 20px;
  
    .ex-title {
      font-family: PingFangSC, PingFang SC;
      font-weight: 600;
      font-size: 18px;
      color: #222222;
    }
  
    .exam-list-back {
      cursor: pointer;
      color: #999999;
      font-size: 15px;
      margin-left: auto;
      padding-right: 20px;
    }
  }
  
  .exam-list-content {
    height: 110px;
    width: 100%;
    background: #FFFFFF;
    border-radius: 10px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    margin-top: 20px;
    justify-content: space-between;
    cursor: pointer;
  
    &:hover {
      box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.1);
    }
  
    img {
      width: 50px;
      height: 50px;
      margin: 0 20px;
    }
  }
  
  .exam-list-content .exam-content {
    max-width: calc(100% - 320px);
    width: 100%;
  }
  
  .exam-list-content .title {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 10px;
  }
  
  .exam-list-content .date {
    font-weight: 400;
    color: #000;
    line-height: 20px;
    margin-left: auto;
    font-size: 14px;
  
    span {
      color: #999;
    }
  
    /* 将日期推至行尾 */
  }
  
  .exam-list-content .exam-status-lable {
    color: #999999;
  }
  
  .exam-end-lable-list {
    padding-right: 20px;
    min-width: 228px;
    text-align: right;
  
    .exam-end-lable {
      margin-right: 10px;
      font-family: MicrosoftYaHei;
      font-size: 16px;
      color: #999999;
  
    }
  
    .exam-rank-lable {
      font-size: 16px;
    }
  
  }
  
  .my-exam-pagination {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    padding-bottom: 20px;
  }
  </style>